xref: /linux/arch/powerpc/include/asm/opal-api.h (revision 47d99948eee48a84a4b242c17915a4ff59a29b5d)
1 /*
2  * OPAL API definitions.
3  *
4  * Copyright 2011-2015 IBM Corp.
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License
8  * as published by the Free Software Foundation; either version
9  * 2 of the License, or (at your option) any later version.
10  */
11 
12 #ifndef __OPAL_API_H
13 #define __OPAL_API_H
14 
15 /****** OPAL APIs ******/
16 
17 /* Return codes */
18 #define OPAL_SUCCESS		0
19 #define OPAL_PARAMETER		-1
20 #define OPAL_BUSY		-2
21 #define OPAL_PARTIAL		-3
22 #define OPAL_CONSTRAINED	-4
23 #define OPAL_CLOSED		-5
24 #define OPAL_HARDWARE		-6
25 #define OPAL_UNSUPPORTED	-7
26 #define OPAL_PERMISSION		-8
27 #define OPAL_NO_MEM		-9
28 #define OPAL_RESOURCE		-10
29 #define OPAL_INTERNAL_ERROR	-11
30 #define OPAL_BUSY_EVENT		-12
31 #define OPAL_HARDWARE_FROZEN	-13
32 #define OPAL_WRONG_STATE	-14
33 #define OPAL_ASYNC_COMPLETION	-15
34 #define OPAL_EMPTY		-16
35 #define OPAL_I2C_TIMEOUT	-17
36 #define OPAL_I2C_INVALID_CMD	-18
37 #define OPAL_I2C_LBUS_PARITY	-19
38 #define OPAL_I2C_BKEND_OVERRUN	-20
39 #define OPAL_I2C_BKEND_ACCESS	-21
40 #define OPAL_I2C_ARBT_LOST	-22
41 #define OPAL_I2C_NACK_RCVD	-23
42 #define OPAL_I2C_STOP_ERR	-24
43 #define OPAL_XIVE_PROVISIONING	-31
44 #define OPAL_XIVE_FREE_ACTIVE	-32
45 #define OPAL_TIMEOUT		-33
46 
47 /* API Tokens (in r0) */
48 #define OPAL_INVALID_CALL		       -1
49 #define OPAL_TEST				0
50 #define OPAL_CONSOLE_WRITE			1
51 #define OPAL_CONSOLE_READ			2
52 #define OPAL_RTC_READ				3
53 #define OPAL_RTC_WRITE				4
54 #define OPAL_CEC_POWER_DOWN			5
55 #define OPAL_CEC_REBOOT				6
56 #define OPAL_READ_NVRAM				7
57 #define OPAL_WRITE_NVRAM			8
58 #define OPAL_HANDLE_INTERRUPT			9
59 #define OPAL_POLL_EVENTS			10
60 #define OPAL_PCI_SET_HUB_TCE_MEMORY		11
61 #define OPAL_PCI_SET_PHB_TCE_MEMORY		12
62 #define OPAL_PCI_CONFIG_READ_BYTE		13
63 #define OPAL_PCI_CONFIG_READ_HALF_WORD  	14
64 #define OPAL_PCI_CONFIG_READ_WORD		15
65 #define OPAL_PCI_CONFIG_WRITE_BYTE		16
66 #define OPAL_PCI_CONFIG_WRITE_HALF_WORD		17
67 #define OPAL_PCI_CONFIG_WRITE_WORD		18
68 #define OPAL_SET_XIVE				19
69 #define OPAL_GET_XIVE				20
70 #define OPAL_GET_COMPLETION_TOKEN_STATUS	21 /* obsolete */
71 #define OPAL_REGISTER_OPAL_EXCEPTION_HANDLER	22
72 #define OPAL_PCI_EEH_FREEZE_STATUS		23
73 #define OPAL_PCI_SHPC				24
74 #define OPAL_CONSOLE_WRITE_BUFFER_SPACE		25
75 #define OPAL_PCI_EEH_FREEZE_CLEAR		26
76 #define OPAL_PCI_PHB_MMIO_ENABLE		27
77 #define OPAL_PCI_SET_PHB_MEM_WINDOW		28
78 #define OPAL_PCI_MAP_PE_MMIO_WINDOW		29
79 #define OPAL_PCI_SET_PHB_TABLE_MEMORY		30
80 #define OPAL_PCI_SET_PE				31
81 #define OPAL_PCI_SET_PELTV			32
82 #define OPAL_PCI_SET_MVE			33
83 #define OPAL_PCI_SET_MVE_ENABLE			34
84 #define OPAL_PCI_GET_XIVE_REISSUE		35
85 #define OPAL_PCI_SET_XIVE_REISSUE		36
86 #define OPAL_PCI_SET_XIVE_PE			37
87 #define OPAL_GET_XIVE_SOURCE			38
88 #define OPAL_GET_MSI_32				39
89 #define OPAL_GET_MSI_64				40
90 #define OPAL_START_CPU				41
91 #define OPAL_QUERY_CPU_STATUS			42
92 #define OPAL_WRITE_OPPANEL			43 /* unimplemented */
93 #define OPAL_PCI_MAP_PE_DMA_WINDOW		44
94 #define OPAL_PCI_MAP_PE_DMA_WINDOW_REAL		45
95 #define OPAL_PCI_RESET				49
96 #define OPAL_PCI_GET_HUB_DIAG_DATA		50
97 #define OPAL_PCI_GET_PHB_DIAG_DATA		51
98 #define OPAL_PCI_FENCE_PHB			52
99 #define OPAL_PCI_REINIT				53
100 #define OPAL_PCI_MASK_PE_ERROR			54
101 #define OPAL_SET_SLOT_LED_STATUS		55
102 #define OPAL_GET_EPOW_STATUS			56
103 #define OPAL_SET_SYSTEM_ATTENTION_LED		57
104 #define OPAL_RESERVED1				58
105 #define OPAL_RESERVED2				59
106 #define OPAL_PCI_NEXT_ERROR			60
107 #define OPAL_PCI_EEH_FREEZE_STATUS2		61
108 #define OPAL_PCI_POLL				62
109 #define OPAL_PCI_MSI_EOI			63
110 #define OPAL_PCI_GET_PHB_DIAG_DATA2		64
111 #define OPAL_XSCOM_READ				65
112 #define OPAL_XSCOM_WRITE			66
113 #define OPAL_LPC_READ				67
114 #define OPAL_LPC_WRITE				68
115 #define OPAL_RETURN_CPU				69
116 #define OPAL_REINIT_CPUS			70
117 #define OPAL_ELOG_READ				71
118 #define OPAL_ELOG_WRITE				72
119 #define OPAL_ELOG_ACK				73
120 #define OPAL_ELOG_RESEND			74
121 #define OPAL_ELOG_SIZE				75
122 #define OPAL_FLASH_VALIDATE			76
123 #define OPAL_FLASH_MANAGE			77
124 #define OPAL_FLASH_UPDATE			78
125 #define OPAL_RESYNC_TIMEBASE			79
126 #define OPAL_CHECK_TOKEN			80
127 #define OPAL_DUMP_INIT				81
128 #define OPAL_DUMP_INFO				82
129 #define OPAL_DUMP_READ				83
130 #define OPAL_DUMP_ACK				84
131 #define OPAL_GET_MSG				85
132 #define OPAL_CHECK_ASYNC_COMPLETION		86
133 #define OPAL_SYNC_HOST_REBOOT			87
134 #define OPAL_SENSOR_READ			88
135 #define OPAL_GET_PARAM				89
136 #define OPAL_SET_PARAM				90
137 #define OPAL_DUMP_RESEND			91
138 #define OPAL_ELOG_SEND				92	/* Deprecated */
139 #define OPAL_PCI_SET_PHB_CAPI_MODE		93
140 #define OPAL_DUMP_INFO2				94
141 #define OPAL_WRITE_OPPANEL_ASYNC		95
142 #define OPAL_PCI_ERR_INJECT			96
143 #define OPAL_PCI_EEH_FREEZE_SET			97
144 #define OPAL_HANDLE_HMI				98
145 #define OPAL_CONFIG_CPU_IDLE_STATE		99
146 #define OPAL_SLW_SET_REG			100
147 #define OPAL_REGISTER_DUMP_REGION		101
148 #define OPAL_UNREGISTER_DUMP_REGION		102
149 #define OPAL_WRITE_TPO				103
150 #define OPAL_READ_TPO				104
151 #define OPAL_GET_DPO_STATUS			105
152 #define OPAL_OLD_I2C_REQUEST			106	/* Deprecated */
153 #define OPAL_IPMI_SEND				107
154 #define OPAL_IPMI_RECV				108
155 #define OPAL_I2C_REQUEST			109
156 #define OPAL_FLASH_READ				110
157 #define OPAL_FLASH_WRITE			111
158 #define OPAL_FLASH_ERASE			112
159 #define OPAL_PRD_MSG				113
160 #define OPAL_LEDS_GET_INDICATOR			114
161 #define OPAL_LEDS_SET_INDICATOR			115
162 #define OPAL_CEC_REBOOT2			116
163 #define OPAL_CONSOLE_FLUSH			117
164 #define OPAL_GET_DEVICE_TREE			118
165 #define OPAL_PCI_GET_PRESENCE_STATE		119
166 #define OPAL_PCI_GET_POWER_STATE		120
167 #define OPAL_PCI_SET_POWER_STATE		121
168 #define OPAL_INT_GET_XIRR			122
169 #define	OPAL_INT_SET_CPPR			123
170 #define OPAL_INT_EOI				124
171 #define OPAL_INT_SET_MFRR			125
172 #define OPAL_PCI_TCE_KILL			126
173 #define OPAL_NMMU_SET_PTCR			127
174 #define OPAL_XIVE_RESET				128
175 #define OPAL_XIVE_GET_IRQ_INFO			129
176 #define OPAL_XIVE_GET_IRQ_CONFIG		130
177 #define OPAL_XIVE_SET_IRQ_CONFIG		131
178 #define OPAL_XIVE_GET_QUEUE_INFO		132
179 #define OPAL_XIVE_SET_QUEUE_INFO		133
180 #define OPAL_XIVE_DONATE_PAGE			134
181 #define OPAL_XIVE_ALLOCATE_VP_BLOCK		135
182 #define OPAL_XIVE_FREE_VP_BLOCK			136
183 #define OPAL_XIVE_GET_VP_INFO			137
184 #define OPAL_XIVE_SET_VP_INFO			138
185 #define OPAL_XIVE_ALLOCATE_IRQ			139
186 #define OPAL_XIVE_FREE_IRQ			140
187 #define OPAL_XIVE_SYNC				141
188 #define OPAL_XIVE_DUMP				142
189 #define OPAL_XIVE_GET_QUEUE_STATE		143
190 #define OPAL_XIVE_SET_QUEUE_STATE		144
191 #define OPAL_SIGNAL_SYSTEM_RESET		145
192 #define OPAL_NPU_INIT_CONTEXT			146
193 #define OPAL_NPU_DESTROY_CONTEXT		147
194 #define OPAL_NPU_MAP_LPAR			148
195 #define OPAL_IMC_COUNTERS_INIT			149
196 #define OPAL_IMC_COUNTERS_START			150
197 #define OPAL_IMC_COUNTERS_STOP			151
198 #define OPAL_GET_POWERCAP			152
199 #define OPAL_SET_POWERCAP			153
200 #define OPAL_GET_POWER_SHIFT_RATIO		154
201 #define OPAL_SET_POWER_SHIFT_RATIO		155
202 #define OPAL_SENSOR_GROUP_CLEAR			156
203 #define OPAL_PCI_SET_P2P			157
204 #define OPAL_QUIESCE				158
205 #define OPAL_NPU_SPA_SETUP			159
206 #define OPAL_NPU_SPA_CLEAR_CACHE		160
207 #define OPAL_NPU_TL_SET				161
208 #define OPAL_SENSOR_READ_U64			162
209 #define OPAL_SENSOR_GROUP_ENABLE		163
210 #define OPAL_PCI_GET_PBCQ_TUNNEL_BAR		164
211 #define OPAL_PCI_SET_PBCQ_TUNNEL_BAR		165
212 #define	OPAL_NX_COPROC_INIT			167
213 #define OPAL_XIVE_GET_VP_STATE			170
214 #define OPAL_LAST				170
215 
216 #define QUIESCE_HOLD			1 /* Spin all calls at entry */
217 #define QUIESCE_REJECT			2 /* Fail all calls with OPAL_BUSY */
218 #define QUIESCE_LOCK_BREAK		3 /* Set to ignore locks. */
219 #define QUIESCE_RESUME			4 /* Un-quiesce */
220 #define QUIESCE_RESUME_FAST_REBOOT	5 /* Un-quiesce, fast reboot */
221 
222 /* Device tree flags */
223 
224 /*
225  * Flags set in power-mgmt nodes in device tree describing
226  * idle states that are supported in the platform.
227  */
228 
229 #define OPAL_PM_TIMEBASE_STOP		0x00000002
230 #define OPAL_PM_LOSE_HYP_CONTEXT	0x00002000
231 #define OPAL_PM_LOSE_FULL_CONTEXT	0x00004000
232 #define OPAL_PM_NAP_ENABLED		0x00010000
233 #define OPAL_PM_SLEEP_ENABLED		0x00020000
234 #define OPAL_PM_WINKLE_ENABLED		0x00040000
235 #define OPAL_PM_SLEEP_ENABLED_ER1	0x00080000 /* with workaround */
236 #define OPAL_PM_STOP_INST_FAST		0x00100000
237 #define OPAL_PM_STOP_INST_DEEP		0x00200000
238 
239 /*
240  * OPAL_CONFIG_CPU_IDLE_STATE parameters
241  */
242 #define OPAL_CONFIG_IDLE_FASTSLEEP	1
243 #define OPAL_CONFIG_IDLE_UNDO		0
244 #define OPAL_CONFIG_IDLE_APPLY		1
245 
246 #ifndef __ASSEMBLY__
247 
248 /* Other enums */
249 enum OpalFreezeState {
250 	OPAL_EEH_STOPPED_NOT_FROZEN = 0,
251 	OPAL_EEH_STOPPED_MMIO_FREEZE = 1,
252 	OPAL_EEH_STOPPED_DMA_FREEZE = 2,
253 	OPAL_EEH_STOPPED_MMIO_DMA_FREEZE = 3,
254 	OPAL_EEH_STOPPED_RESET = 4,
255 	OPAL_EEH_STOPPED_TEMP_UNAVAIL = 5,
256 	OPAL_EEH_STOPPED_PERM_UNAVAIL = 6
257 };
258 
259 enum OpalEehFreezeActionToken {
260 	OPAL_EEH_ACTION_CLEAR_FREEZE_MMIO = 1,
261 	OPAL_EEH_ACTION_CLEAR_FREEZE_DMA = 2,
262 	OPAL_EEH_ACTION_CLEAR_FREEZE_ALL = 3,
263 
264 	OPAL_EEH_ACTION_SET_FREEZE_MMIO = 1,
265 	OPAL_EEH_ACTION_SET_FREEZE_DMA  = 2,
266 	OPAL_EEH_ACTION_SET_FREEZE_ALL  = 3
267 };
268 
269 enum OpalPciStatusToken {
270 	OPAL_EEH_NO_ERROR	= 0,
271 	OPAL_EEH_IOC_ERROR	= 1,
272 	OPAL_EEH_PHB_ERROR	= 2,
273 	OPAL_EEH_PE_ERROR	= 3,
274 	OPAL_EEH_PE_MMIO_ERROR	= 4,
275 	OPAL_EEH_PE_DMA_ERROR	= 5
276 };
277 
278 enum OpalPciErrorSeverity {
279 	OPAL_EEH_SEV_NO_ERROR	= 0,
280 	OPAL_EEH_SEV_IOC_DEAD	= 1,
281 	OPAL_EEH_SEV_PHB_DEAD	= 2,
282 	OPAL_EEH_SEV_PHB_FENCED	= 3,
283 	OPAL_EEH_SEV_PE_ER	= 4,
284 	OPAL_EEH_SEV_INF	= 5
285 };
286 
287 enum OpalErrinjectType {
288 	OPAL_ERR_INJECT_TYPE_IOA_BUS_ERR	= 0,
289 	OPAL_ERR_INJECT_TYPE_IOA_BUS_ERR64	= 1,
290 };
291 
292 enum OpalErrinjectFunc {
293 	/* IOA bus specific errors */
294 	OPAL_ERR_INJECT_FUNC_IOA_LD_MEM_ADDR	= 0,
295 	OPAL_ERR_INJECT_FUNC_IOA_LD_MEM_DATA	= 1,
296 	OPAL_ERR_INJECT_FUNC_IOA_LD_IO_ADDR	= 2,
297 	OPAL_ERR_INJECT_FUNC_IOA_LD_IO_DATA	= 3,
298 	OPAL_ERR_INJECT_FUNC_IOA_LD_CFG_ADDR	= 4,
299 	OPAL_ERR_INJECT_FUNC_IOA_LD_CFG_DATA	= 5,
300 	OPAL_ERR_INJECT_FUNC_IOA_ST_MEM_ADDR	= 6,
301 	OPAL_ERR_INJECT_FUNC_IOA_ST_MEM_DATA	= 7,
302 	OPAL_ERR_INJECT_FUNC_IOA_ST_IO_ADDR	= 8,
303 	OPAL_ERR_INJECT_FUNC_IOA_ST_IO_DATA	= 9,
304 	OPAL_ERR_INJECT_FUNC_IOA_ST_CFG_ADDR	= 10,
305 	OPAL_ERR_INJECT_FUNC_IOA_ST_CFG_DATA	= 11,
306 	OPAL_ERR_INJECT_FUNC_IOA_DMA_RD_ADDR	= 12,
307 	OPAL_ERR_INJECT_FUNC_IOA_DMA_RD_DATA	= 13,
308 	OPAL_ERR_INJECT_FUNC_IOA_DMA_RD_MASTER	= 14,
309 	OPAL_ERR_INJECT_FUNC_IOA_DMA_RD_TARGET	= 15,
310 	OPAL_ERR_INJECT_FUNC_IOA_DMA_WR_ADDR	= 16,
311 	OPAL_ERR_INJECT_FUNC_IOA_DMA_WR_DATA	= 17,
312 	OPAL_ERR_INJECT_FUNC_IOA_DMA_WR_MASTER	= 18,
313 	OPAL_ERR_INJECT_FUNC_IOA_DMA_WR_TARGET	= 19,
314 };
315 
316 enum OpalMmioWindowType {
317 	OPAL_M32_WINDOW_TYPE = 1,
318 	OPAL_M64_WINDOW_TYPE = 2,
319 	OPAL_IO_WINDOW_TYPE  = 3
320 };
321 
322 enum OpalExceptionHandler {
323 	OPAL_MACHINE_CHECK_HANDLER	    = 1,
324 	OPAL_HYPERVISOR_MAINTENANCE_HANDLER = 2,
325 	OPAL_SOFTPATCH_HANDLER		    = 3
326 };
327 
328 enum OpalPendingState {
329 	OPAL_EVENT_OPAL_INTERNAL   = 0x1,
330 	OPAL_EVENT_NVRAM	   = 0x2,
331 	OPAL_EVENT_RTC		   = 0x4,
332 	OPAL_EVENT_CONSOLE_OUTPUT  = 0x8,
333 	OPAL_EVENT_CONSOLE_INPUT   = 0x10,
334 	OPAL_EVENT_ERROR_LOG_AVAIL = 0x20,
335 	OPAL_EVENT_ERROR_LOG	   = 0x40,
336 	OPAL_EVENT_EPOW		   = 0x80,
337 	OPAL_EVENT_LED_STATUS	   = 0x100,
338 	OPAL_EVENT_PCI_ERROR	   = 0x200,
339 	OPAL_EVENT_DUMP_AVAIL	   = 0x400,
340 	OPAL_EVENT_MSG_PENDING	   = 0x800,
341 };
342 
343 enum OpalThreadStatus {
344 	OPAL_THREAD_INACTIVE = 0x0,
345 	OPAL_THREAD_STARTED = 0x1,
346 	OPAL_THREAD_UNAVAILABLE = 0x2 /* opal-v3 */
347 };
348 
349 enum OpalPciBusCompare {
350 	OpalPciBusAny	= 0,	/* Any bus number match */
351 	OpalPciBus3Bits	= 2,	/* Match top 3 bits of bus number */
352 	OpalPciBus4Bits	= 3,	/* Match top 4 bits of bus number */
353 	OpalPciBus5Bits	= 4,	/* Match top 5 bits of bus number */
354 	OpalPciBus6Bits	= 5,	/* Match top 6 bits of bus number */
355 	OpalPciBus7Bits	= 6,	/* Match top 7 bits of bus number */
356 	OpalPciBusAll	= 7,	/* Match bus number exactly */
357 };
358 
359 enum OpalDeviceCompare {
360 	OPAL_IGNORE_RID_DEVICE_NUMBER = 0,
361 	OPAL_COMPARE_RID_DEVICE_NUMBER = 1
362 };
363 
364 enum OpalFuncCompare {
365 	OPAL_IGNORE_RID_FUNCTION_NUMBER = 0,
366 	OPAL_COMPARE_RID_FUNCTION_NUMBER = 1
367 };
368 
369 enum OpalPeAction {
370 	OPAL_UNMAP_PE = 0,
371 	OPAL_MAP_PE = 1
372 };
373 
374 enum OpalPeltvAction {
375 	OPAL_REMOVE_PE_FROM_DOMAIN = 0,
376 	OPAL_ADD_PE_TO_DOMAIN = 1
377 };
378 
379 enum OpalMveEnableAction {
380 	OPAL_DISABLE_MVE = 0,
381 	OPAL_ENABLE_MVE = 1
382 };
383 
384 enum OpalM64Action {
385 	OPAL_DISABLE_M64 = 0,
386 	OPAL_ENABLE_M64_SPLIT = 1,
387 	OPAL_ENABLE_M64_NON_SPLIT = 2
388 };
389 
390 enum OpalPciResetScope {
391 	OPAL_RESET_PHB_COMPLETE		= 1,
392 	OPAL_RESET_PCI_LINK		= 2,
393 	OPAL_RESET_PHB_ERROR		= 3,
394 	OPAL_RESET_PCI_HOT		= 4,
395 	OPAL_RESET_PCI_FUNDAMENTAL	= 5,
396 	OPAL_RESET_PCI_IODA_TABLE	= 6
397 };
398 
399 enum OpalPciReinitScope {
400 	/*
401 	 * Note: we chose values that do not overlap
402 	 * OpalPciResetScope as OPAL v2 used the same
403 	 * enum for both
404 	 */
405 	OPAL_REINIT_PCI_DEV = 1000
406 };
407 
408 enum OpalPciResetState {
409 	OPAL_DEASSERT_RESET = 0,
410 	OPAL_ASSERT_RESET   = 1
411 };
412 
413 enum OpalPciSlotPresence {
414 	OPAL_PCI_SLOT_EMPTY	= 0,
415 	OPAL_PCI_SLOT_PRESENT	= 1
416 };
417 
418 enum OpalPciSlotPower {
419 	OPAL_PCI_SLOT_POWER_OFF	= 0,
420 	OPAL_PCI_SLOT_POWER_ON	= 1,
421 	OPAL_PCI_SLOT_OFFLINE	= 2,
422 	OPAL_PCI_SLOT_ONLINE	= 3
423 };
424 
425 enum OpalSlotLedType {
426 	OPAL_SLOT_LED_TYPE_ID = 0,	/* IDENTIFY LED */
427 	OPAL_SLOT_LED_TYPE_FAULT = 1,	/* FAULT LED */
428 	OPAL_SLOT_LED_TYPE_ATTN = 2,	/* System Attention LED */
429 	OPAL_SLOT_LED_TYPE_MAX = 3
430 };
431 
432 enum OpalSlotLedState {
433 	OPAL_SLOT_LED_STATE_OFF = 0,	/* LED is OFF */
434 	OPAL_SLOT_LED_STATE_ON = 1	/* LED is ON */
435 };
436 
437 /*
438  * Address cycle types for LPC accesses. These also correspond
439  * to the content of the first cell of the "reg" property for
440  * device nodes on the LPC bus
441  */
442 enum OpalLPCAddressType {
443 	OPAL_LPC_MEM	= 0,
444 	OPAL_LPC_IO	= 1,
445 	OPAL_LPC_FW	= 2,
446 };
447 
448 enum opal_msg_type {
449 	OPAL_MSG_ASYNC_COMP	= 0,	/* params[0] = token, params[1] = rc,
450 					 * additional params function-specific
451 					 */
452 	OPAL_MSG_MEM_ERR	= 1,
453 	OPAL_MSG_EPOW		= 2,
454 	OPAL_MSG_SHUTDOWN	= 3,	/* params[0] = 1 reboot, 0 shutdown */
455 	OPAL_MSG_HMI_EVT	= 4,
456 	OPAL_MSG_DPO		= 5,
457 	OPAL_MSG_PRD		= 6,
458 	OPAL_MSG_OCC		= 7,
459 	OPAL_MSG_TYPE_MAX,
460 };
461 
462 struct opal_msg {
463 	__be32 msg_type;
464 	__be32 reserved;
465 	__be64 params[8];
466 };
467 
468 /* System parameter permission */
469 enum OpalSysparamPerm {
470 	OPAL_SYSPARAM_READ  = 0x1,
471 	OPAL_SYSPARAM_WRITE = 0x2,
472 	OPAL_SYSPARAM_RW    = (OPAL_SYSPARAM_READ | OPAL_SYSPARAM_WRITE),
473 };
474 
475 enum {
476 	OPAL_IPMI_MSG_FORMAT_VERSION_1 = 1,
477 };
478 
479 struct opal_ipmi_msg {
480 	uint8_t version;
481 	uint8_t netfn;
482 	uint8_t cmd;
483 	uint8_t data[];
484 };
485 
486 /* FSP memory errors handling */
487 enum OpalMemErr_Version {
488 	OpalMemErr_V1 = 1,
489 };
490 
491 enum OpalMemErrType {
492 	OPAL_MEM_ERR_TYPE_RESILIENCE	= 0,
493 	OPAL_MEM_ERR_TYPE_DYN_DALLOC,
494 };
495 
496 /* Memory Reilience error type */
497 enum OpalMemErr_ResilErrType {
498 	OPAL_MEM_RESILIENCE_CE		= 0,
499 	OPAL_MEM_RESILIENCE_UE,
500 	OPAL_MEM_RESILIENCE_UE_SCRUB,
501 };
502 
503 /* Dynamic Memory Deallocation type */
504 enum OpalMemErr_DynErrType {
505 	OPAL_MEM_DYNAMIC_DEALLOC	= 0,
506 };
507 
508 struct OpalMemoryErrorData {
509 	enum OpalMemErr_Version	version:8;	/* 0x00 */
510 	enum OpalMemErrType	type:8;		/* 0x01 */
511 	__be16			flags;		/* 0x02 */
512 	uint8_t			reserved_1[4];	/* 0x04 */
513 
514 	union {
515 		/* Memory Resilience corrected/uncorrected error info */
516 		struct {
517 			enum OpalMemErr_ResilErrType	resil_err_type:8;
518 			uint8_t				reserved_1[7];
519 			__be64				physical_address_start;
520 			__be64				physical_address_end;
521 		} resilience;
522 		/* Dynamic memory deallocation error info */
523 		struct {
524 			enum OpalMemErr_DynErrType	dyn_err_type:8;
525 			uint8_t				reserved_1[7];
526 			__be64				physical_address_start;
527 			__be64				physical_address_end;
528 		} dyn_dealloc;
529 	} u;
530 };
531 
532 /* HMI interrupt event */
533 enum OpalHMI_Version {
534 	OpalHMIEvt_V1 = 1,
535 	OpalHMIEvt_V2 = 2,
536 };
537 
538 enum OpalHMI_Severity {
539 	OpalHMI_SEV_NO_ERROR = 0,
540 	OpalHMI_SEV_WARNING = 1,
541 	OpalHMI_SEV_ERROR_SYNC = 2,
542 	OpalHMI_SEV_FATAL = 3,
543 };
544 
545 enum OpalHMI_Disposition {
546 	OpalHMI_DISPOSITION_RECOVERED = 0,
547 	OpalHMI_DISPOSITION_NOT_RECOVERED = 1,
548 };
549 
550 enum OpalHMI_ErrType {
551 	OpalHMI_ERROR_MALFUNC_ALERT	= 0,
552 	OpalHMI_ERROR_PROC_RECOV_DONE,
553 	OpalHMI_ERROR_PROC_RECOV_DONE_AGAIN,
554 	OpalHMI_ERROR_PROC_RECOV_MASKED,
555 	OpalHMI_ERROR_TFAC,
556 	OpalHMI_ERROR_TFMR_PARITY,
557 	OpalHMI_ERROR_HA_OVERFLOW_WARN,
558 	OpalHMI_ERROR_XSCOM_FAIL,
559 	OpalHMI_ERROR_XSCOM_DONE,
560 	OpalHMI_ERROR_SCOM_FIR,
561 	OpalHMI_ERROR_DEBUG_TRIG_FIR,
562 	OpalHMI_ERROR_HYP_RESOURCE,
563 	OpalHMI_ERROR_CAPP_RECOVERY,
564 };
565 
566 enum OpalHMI_XstopType {
567 	CHECKSTOP_TYPE_UNKNOWN	=	0,
568 	CHECKSTOP_TYPE_CORE	=	1,
569 	CHECKSTOP_TYPE_NX	=	2,
570 };
571 
572 enum OpalHMI_CoreXstopReason {
573 	CORE_CHECKSTOP_IFU_REGFILE		= 0x00000001,
574 	CORE_CHECKSTOP_IFU_LOGIC		= 0x00000002,
575 	CORE_CHECKSTOP_PC_DURING_RECOV		= 0x00000004,
576 	CORE_CHECKSTOP_ISU_REGFILE		= 0x00000008,
577 	CORE_CHECKSTOP_ISU_LOGIC		= 0x00000010,
578 	CORE_CHECKSTOP_FXU_LOGIC		= 0x00000020,
579 	CORE_CHECKSTOP_VSU_LOGIC		= 0x00000040,
580 	CORE_CHECKSTOP_PC_RECOV_IN_MAINT_MODE	= 0x00000080,
581 	CORE_CHECKSTOP_LSU_REGFILE		= 0x00000100,
582 	CORE_CHECKSTOP_PC_FWD_PROGRESS		= 0x00000200,
583 	CORE_CHECKSTOP_LSU_LOGIC		= 0x00000400,
584 	CORE_CHECKSTOP_PC_LOGIC			= 0x00000800,
585 	CORE_CHECKSTOP_PC_HYP_RESOURCE		= 0x00001000,
586 	CORE_CHECKSTOP_PC_HANG_RECOV_FAILED	= 0x00002000,
587 	CORE_CHECKSTOP_PC_AMBI_HANG_DETECTED	= 0x00004000,
588 	CORE_CHECKSTOP_PC_DEBUG_TRIG_ERR_INJ	= 0x00008000,
589 	CORE_CHECKSTOP_PC_SPRD_HYP_ERR_INJ	= 0x00010000,
590 };
591 
592 enum OpalHMI_NestAccelXstopReason {
593 	NX_CHECKSTOP_SHM_INVAL_STATE_ERR	= 0x00000001,
594 	NX_CHECKSTOP_DMA_INVAL_STATE_ERR_1	= 0x00000002,
595 	NX_CHECKSTOP_DMA_INVAL_STATE_ERR_2	= 0x00000004,
596 	NX_CHECKSTOP_DMA_CH0_INVAL_STATE_ERR	= 0x00000008,
597 	NX_CHECKSTOP_DMA_CH1_INVAL_STATE_ERR	= 0x00000010,
598 	NX_CHECKSTOP_DMA_CH2_INVAL_STATE_ERR	= 0x00000020,
599 	NX_CHECKSTOP_DMA_CH3_INVAL_STATE_ERR	= 0x00000040,
600 	NX_CHECKSTOP_DMA_CH4_INVAL_STATE_ERR	= 0x00000080,
601 	NX_CHECKSTOP_DMA_CH5_INVAL_STATE_ERR	= 0x00000100,
602 	NX_CHECKSTOP_DMA_CH6_INVAL_STATE_ERR	= 0x00000200,
603 	NX_CHECKSTOP_DMA_CH7_INVAL_STATE_ERR	= 0x00000400,
604 	NX_CHECKSTOP_DMA_CRB_UE			= 0x00000800,
605 	NX_CHECKSTOP_DMA_CRB_SUE		= 0x00001000,
606 	NX_CHECKSTOP_PBI_ISN_UE			= 0x00002000,
607 };
608 
609 struct OpalHMIEvent {
610 	uint8_t		version;	/* 0x00 */
611 	uint8_t		severity;	/* 0x01 */
612 	uint8_t		type;		/* 0x02 */
613 	uint8_t		disposition;	/* 0x03 */
614 	uint8_t		reserved_1[4];	/* 0x04 */
615 
616 	__be64		hmer;
617 	/* TFMR register. Valid only for TFAC and TFMR_PARITY error type. */
618 	__be64		tfmr;
619 
620 	/* version 2 and later */
621 	union {
622 		/*
623 		 * checkstop info (Core/NX).
624 		 * Valid for OpalHMI_ERROR_MALFUNC_ALERT.
625 		 */
626 		struct {
627 			uint8_t	xstop_type;	/* enum OpalHMI_XstopType */
628 			uint8_t reserved_1[3];
629 			__be32  xstop_reason;
630 			union {
631 				__be32 pir;	/* for CHECKSTOP_TYPE_CORE */
632 				__be32 chip_id;	/* for CHECKSTOP_TYPE_NX */
633 			} u;
634 		} xstop_error;
635 	} u;
636 };
637 
638 enum {
639 	OPAL_P7IOC_DIAG_TYPE_NONE	= 0,
640 	OPAL_P7IOC_DIAG_TYPE_RGC	= 1,
641 	OPAL_P7IOC_DIAG_TYPE_BI		= 2,
642 	OPAL_P7IOC_DIAG_TYPE_CI		= 3,
643 	OPAL_P7IOC_DIAG_TYPE_MISC	= 4,
644 	OPAL_P7IOC_DIAG_TYPE_I2C	= 5,
645 	OPAL_P7IOC_DIAG_TYPE_LAST	= 6
646 };
647 
648 struct OpalIoP7IOCErrorData {
649 	__be16 type;
650 
651 	/* GEM */
652 	__be64 gemXfir;
653 	__be64 gemRfir;
654 	__be64 gemRirqfir;
655 	__be64 gemMask;
656 	__be64 gemRwof;
657 
658 	/* LEM */
659 	__be64 lemFir;
660 	__be64 lemErrMask;
661 	__be64 lemAction0;
662 	__be64 lemAction1;
663 	__be64 lemWof;
664 
665 	union {
666 		struct OpalIoP7IOCRgcErrorData {
667 			__be64 rgcStatus;	/* 3E1C10 */
668 			__be64 rgcLdcp;		/* 3E1C18 */
669 		}rgc;
670 		struct OpalIoP7IOCBiErrorData {
671 			__be64 biLdcp0;		/* 3C0100, 3C0118 */
672 			__be64 biLdcp1;		/* 3C0108, 3C0120 */
673 			__be64 biLdcp2;		/* 3C0110, 3C0128 */
674 			__be64 biFenceStatus;	/* 3C0130, 3C0130 */
675 
676 			uint8_t biDownbound;	/* BI Downbound or Upbound */
677 		}bi;
678 		struct OpalIoP7IOCCiErrorData {
679 			__be64 ciPortStatus;	/* 3Dn008 */
680 			__be64 ciPortLdcp;	/* 3Dn010 */
681 
682 			uint8_t ciPort;		/* Index of CI port: 0/1 */
683 		}ci;
684 	};
685 };
686 
687 /**
688  * This structure defines the overlay which will be used to store PHB error
689  * data upon request.
690  */
691 enum {
692 	OPAL_PHB_ERROR_DATA_VERSION_1 = 1,
693 };
694 
695 enum {
696 	OPAL_PHB_ERROR_DATA_TYPE_P7IOC = 1,
697 	OPAL_PHB_ERROR_DATA_TYPE_PHB3 = 2,
698 	OPAL_PHB_ERROR_DATA_TYPE_PHB4 = 3
699 };
700 
701 enum {
702 	OPAL_P7IOC_NUM_PEST_REGS = 128,
703 	OPAL_PHB3_NUM_PEST_REGS = 256,
704 	OPAL_PHB4_NUM_PEST_REGS = 512
705 };
706 
707 struct OpalIoPhbErrorCommon {
708 	__be32 version;
709 	__be32 ioType;
710 	__be32 len;
711 };
712 
713 struct OpalIoP7IOCPhbErrorData {
714 	struct OpalIoPhbErrorCommon common;
715 
716 	__be32 brdgCtl;
717 
718 	// P7IOC utl regs
719 	__be32 portStatusReg;
720 	__be32 rootCmplxStatus;
721 	__be32 busAgentStatus;
722 
723 	// P7IOC cfg regs
724 	__be32 deviceStatus;
725 	__be32 slotStatus;
726 	__be32 linkStatus;
727 	__be32 devCmdStatus;
728 	__be32 devSecStatus;
729 
730 	// cfg AER regs
731 	__be32 rootErrorStatus;
732 	__be32 uncorrErrorStatus;
733 	__be32 corrErrorStatus;
734 	__be32 tlpHdr1;
735 	__be32 tlpHdr2;
736 	__be32 tlpHdr3;
737 	__be32 tlpHdr4;
738 	__be32 sourceId;
739 
740 	__be32 rsv3;
741 
742 	// Record data about the call to allocate a buffer.
743 	__be64 errorClass;
744 	__be64 correlator;
745 
746 	//P7IOC MMIO Error Regs
747 	__be64 p7iocPlssr;                // n120
748 	__be64 p7iocCsr;                  // n110
749 	__be64 lemFir;                    // nC00
750 	__be64 lemErrorMask;              // nC18
751 	__be64 lemWOF;                    // nC40
752 	__be64 phbErrorStatus;            // nC80
753 	__be64 phbFirstErrorStatus;       // nC88
754 	__be64 phbErrorLog0;              // nCC0
755 	__be64 phbErrorLog1;              // nCC8
756 	__be64 mmioErrorStatus;           // nD00
757 	__be64 mmioFirstErrorStatus;      // nD08
758 	__be64 mmioErrorLog0;             // nD40
759 	__be64 mmioErrorLog1;             // nD48
760 	__be64 dma0ErrorStatus;           // nD80
761 	__be64 dma0FirstErrorStatus;      // nD88
762 	__be64 dma0ErrorLog0;             // nDC0
763 	__be64 dma0ErrorLog1;             // nDC8
764 	__be64 dma1ErrorStatus;           // nE00
765 	__be64 dma1FirstErrorStatus;      // nE08
766 	__be64 dma1ErrorLog0;             // nE40
767 	__be64 dma1ErrorLog1;             // nE48
768 	__be64 pestA[OPAL_P7IOC_NUM_PEST_REGS];
769 	__be64 pestB[OPAL_P7IOC_NUM_PEST_REGS];
770 };
771 
772 struct OpalIoPhb3ErrorData {
773 	struct OpalIoPhbErrorCommon common;
774 
775 	__be32 brdgCtl;
776 
777 	/* PHB3 UTL regs */
778 	__be32 portStatusReg;
779 	__be32 rootCmplxStatus;
780 	__be32 busAgentStatus;
781 
782 	/* PHB3 cfg regs */
783 	__be32 deviceStatus;
784 	__be32 slotStatus;
785 	__be32 linkStatus;
786 	__be32 devCmdStatus;
787 	__be32 devSecStatus;
788 
789 	/* cfg AER regs */
790 	__be32 rootErrorStatus;
791 	__be32 uncorrErrorStatus;
792 	__be32 corrErrorStatus;
793 	__be32 tlpHdr1;
794 	__be32 tlpHdr2;
795 	__be32 tlpHdr3;
796 	__be32 tlpHdr4;
797 	__be32 sourceId;
798 
799 	__be32 rsv3;
800 
801 	/* Record data about the call to allocate a buffer */
802 	__be64 errorClass;
803 	__be64 correlator;
804 
805 	/* PHB3 MMIO Error Regs */
806 	__be64 nFir;			/* 000 */
807 	__be64 nFirMask;		/* 003 */
808 	__be64 nFirWOF;		/* 008 */
809 	__be64 phbPlssr;		/* 120 */
810 	__be64 phbCsr;		/* 110 */
811 	__be64 lemFir;		/* C00 */
812 	__be64 lemErrorMask;		/* C18 */
813 	__be64 lemWOF;		/* C40 */
814 	__be64 phbErrorStatus;	/* C80 */
815 	__be64 phbFirstErrorStatus;	/* C88 */
816 	__be64 phbErrorLog0;		/* CC0 */
817 	__be64 phbErrorLog1;		/* CC8 */
818 	__be64 mmioErrorStatus;	/* D00 */
819 	__be64 mmioFirstErrorStatus;	/* D08 */
820 	__be64 mmioErrorLog0;		/* D40 */
821 	__be64 mmioErrorLog1;		/* D48 */
822 	__be64 dma0ErrorStatus;	/* D80 */
823 	__be64 dma0FirstErrorStatus;	/* D88 */
824 	__be64 dma0ErrorLog0;		/* DC0 */
825 	__be64 dma0ErrorLog1;		/* DC8 */
826 	__be64 dma1ErrorStatus;	/* E00 */
827 	__be64 dma1FirstErrorStatus;	/* E08 */
828 	__be64 dma1ErrorLog0;		/* E40 */
829 	__be64 dma1ErrorLog1;		/* E48 */
830 	__be64 pestA[OPAL_PHB3_NUM_PEST_REGS];
831 	__be64 pestB[OPAL_PHB3_NUM_PEST_REGS];
832 };
833 
834 struct OpalIoPhb4ErrorData {
835 	struct OpalIoPhbErrorCommon common;
836 
837 	__be32 brdgCtl;
838 
839 	/* PHB4 cfg regs */
840 	__be32 deviceStatus;
841 	__be32 slotStatus;
842 	__be32 linkStatus;
843 	__be32 devCmdStatus;
844 	__be32 devSecStatus;
845 
846 	/* cfg AER regs */
847 	__be32 rootErrorStatus;
848 	__be32 uncorrErrorStatus;
849 	__be32 corrErrorStatus;
850 	__be32 tlpHdr1;
851 	__be32 tlpHdr2;
852 	__be32 tlpHdr3;
853 	__be32 tlpHdr4;
854 	__be32 sourceId;
855 
856 	/* PHB4 ETU Error Regs */
857 	__be64 nFir;				/* 000 */
858 	__be64 nFirMask;			/* 003 */
859 	__be64 nFirWOF;				/* 008 */
860 	__be64 phbPlssr;			/* 120 */
861 	__be64 phbCsr;				/* 110 */
862 	__be64 lemFir;				/* C00 */
863 	__be64 lemErrorMask;			/* C18 */
864 	__be64 lemWOF;				/* C40 */
865 	__be64 phbErrorStatus;			/* C80 */
866 	__be64 phbFirstErrorStatus;		/* C88 */
867 	__be64 phbErrorLog0;			/* CC0 */
868 	__be64 phbErrorLog1;			/* CC8 */
869 	__be64 phbTxeErrorStatus;		/* D00 */
870 	__be64 phbTxeFirstErrorStatus;		/* D08 */
871 	__be64 phbTxeErrorLog0;			/* D40 */
872 	__be64 phbTxeErrorLog1;			/* D48 */
873 	__be64 phbRxeArbErrorStatus;		/* D80 */
874 	__be64 phbRxeArbFirstErrorStatus;	/* D88 */
875 	__be64 phbRxeArbErrorLog0;		/* DC0 */
876 	__be64 phbRxeArbErrorLog1;		/* DC8 */
877 	__be64 phbRxeMrgErrorStatus;		/* E00 */
878 	__be64 phbRxeMrgFirstErrorStatus;	/* E08 */
879 	__be64 phbRxeMrgErrorLog0;		/* E40 */
880 	__be64 phbRxeMrgErrorLog1;		/* E48 */
881 	__be64 phbRxeTceErrorStatus;		/* E80 */
882 	__be64 phbRxeTceFirstErrorStatus;	/* E88 */
883 	__be64 phbRxeTceErrorLog0;		/* EC0 */
884 	__be64 phbRxeTceErrorLog1;		/* EC8 */
885 
886 	/* PHB4 REGB Error Regs */
887 	__be64 phbPblErrorStatus;		/* 1900 */
888 	__be64 phbPblFirstErrorStatus;		/* 1908 */
889 	__be64 phbPblErrorLog0;			/* 1940 */
890 	__be64 phbPblErrorLog1;			/* 1948 */
891 	__be64 phbPcieDlpErrorLog1;		/* 1AA0 */
892 	__be64 phbPcieDlpErrorLog2;		/* 1AA8 */
893 	__be64 phbPcieDlpErrorStatus;		/* 1AB0 */
894 	__be64 phbRegbErrorStatus;		/* 1C00 */
895 	__be64 phbRegbFirstErrorStatus;		/* 1C08 */
896 	__be64 phbRegbErrorLog0;		/* 1C40 */
897 	__be64 phbRegbErrorLog1;		/* 1C48 */
898 
899 	__be64 pestA[OPAL_PHB4_NUM_PEST_REGS];
900 	__be64 pestB[OPAL_PHB4_NUM_PEST_REGS];
901 };
902 
903 enum {
904 	OPAL_REINIT_CPUS_HILE_BE	= (1 << 0),
905 	OPAL_REINIT_CPUS_HILE_LE	= (1 << 1),
906 
907 	/* These two define the base MMU mode of the host on P9
908 	 *
909 	 * On P9 Nimbus DD2.0 and Cumlus (and later), KVM can still
910 	 * create hash guests in "radix" mode with care (full core
911 	 * switch only).
912 	 */
913 	OPAL_REINIT_CPUS_MMU_HASH	= (1 << 2),
914 	OPAL_REINIT_CPUS_MMU_RADIX	= (1 << 3),
915 
916 	OPAL_REINIT_CPUS_TM_SUSPEND_DISABLED = (1 << 4),
917 };
918 
919 typedef struct oppanel_line {
920 	__be64 line;
921 	__be64 line_len;
922 } oppanel_line_t;
923 
924 enum opal_prd_msg_type {
925 	OPAL_PRD_MSG_TYPE_INIT = 0,	/* HBRT --> OPAL */
926 	OPAL_PRD_MSG_TYPE_FINI,		/* HBRT/kernel --> OPAL */
927 	OPAL_PRD_MSG_TYPE_ATTN,		/* HBRT <-- OPAL */
928 	OPAL_PRD_MSG_TYPE_ATTN_ACK,	/* HBRT --> OPAL */
929 	OPAL_PRD_MSG_TYPE_OCC_ERROR,	/* HBRT <-- OPAL */
930 	OPAL_PRD_MSG_TYPE_OCC_RESET,	/* HBRT <-- OPAL */
931 };
932 
933 struct opal_prd_msg_header {
934 	uint8_t		type;
935 	uint8_t		pad[1];
936 	__be16		size;
937 };
938 
939 struct opal_prd_msg;
940 
941 #define OCC_RESET                       0
942 #define OCC_LOAD                        1
943 #define OCC_THROTTLE                    2
944 #define OCC_MAX_THROTTLE_STATUS         5
945 
946 struct opal_occ_msg {
947 	__be64 type;
948 	__be64 chip;
949 	__be64 throttle_status;
950 };
951 
952 /*
953  * SG entries
954  *
955  * WARNING: The current implementation requires each entry
956  * to represent a block that is 4k aligned *and* each block
957  * size except the last one in the list to be as well.
958  */
959 struct opal_sg_entry {
960 	__be64 data;
961 	__be64 length;
962 };
963 
964 /*
965  * Candidate image SG list.
966  *
967  * length = VER | length
968  */
969 struct opal_sg_list {
970 	__be64 length;
971 	__be64 next;
972 	struct opal_sg_entry entry[];
973 };
974 
975 /*
976  * Dump region ID range usable by the OS
977  */
978 #define OPAL_DUMP_REGION_HOST_START		0x80
979 #define OPAL_DUMP_REGION_LOG_BUF		0x80
980 #define OPAL_DUMP_REGION_HOST_END		0xFF
981 
982 /* CAPI modes for PHB */
983 enum {
984 	OPAL_PHB_CAPI_MODE_PCIE		= 0,
985 	OPAL_PHB_CAPI_MODE_CAPI		= 1,
986 	OPAL_PHB_CAPI_MODE_SNOOP_OFF    = 2,
987 	OPAL_PHB_CAPI_MODE_SNOOP_ON	= 3,
988 	OPAL_PHB_CAPI_MODE_DMA		= 4,
989 	OPAL_PHB_CAPI_MODE_DMA_TVT1	= 5,
990 };
991 
992 /* OPAL I2C request */
993 struct opal_i2c_request {
994 	uint8_t	type;
995 #define OPAL_I2C_RAW_READ	0
996 #define OPAL_I2C_RAW_WRITE	1
997 #define OPAL_I2C_SM_READ	2
998 #define OPAL_I2C_SM_WRITE	3
999 	uint8_t flags;
1000 #define OPAL_I2C_ADDR_10	0x01	/* Not supported yet */
1001 	uint8_t	subaddr_sz;		/* Max 4 */
1002 	uint8_t reserved;
1003 	__be16 addr;			/* 7 or 10 bit address */
1004 	__be16 reserved2;
1005 	__be32 subaddr;		/* Sub-address if any */
1006 	__be32 size;			/* Data size */
1007 	__be64 buffer_ra;		/* Buffer real address */
1008 };
1009 
1010 /*
1011  * EPOW status sharing (OPAL and the host)
1012  *
1013  * The host will pass on OPAL, a buffer of length OPAL_SYSEPOW_MAX
1014  * with individual elements being 16 bits wide to fetch the system
1015  * wide EPOW status. Each element in the buffer will contain the
1016  * EPOW status in it's bit representation for a particular EPOW sub
1017  * class as defined here. So multiple detailed EPOW status bits
1018  * specific for any sub class can be represented in a single buffer
1019  * element as it's bit representation.
1020  */
1021 
1022 /* System EPOW type */
1023 enum OpalSysEpow {
1024 	OPAL_SYSEPOW_POWER	= 0,	/* Power EPOW */
1025 	OPAL_SYSEPOW_TEMP	= 1,	/* Temperature EPOW */
1026 	OPAL_SYSEPOW_COOLING	= 2,	/* Cooling EPOW */
1027 	OPAL_SYSEPOW_MAX	= 3,	/* Max EPOW categories */
1028 };
1029 
1030 /* Power EPOW */
1031 enum OpalSysPower {
1032 	OPAL_SYSPOWER_UPS	= 0x0001, /* System on UPS power */
1033 	OPAL_SYSPOWER_CHNG	= 0x0002, /* System power config change */
1034 	OPAL_SYSPOWER_FAIL	= 0x0004, /* System impending power failure */
1035 	OPAL_SYSPOWER_INCL	= 0x0008, /* System incomplete power */
1036 };
1037 
1038 /* Temperature EPOW */
1039 enum OpalSysTemp {
1040 	OPAL_SYSTEMP_AMB	= 0x0001, /* System over ambient temperature */
1041 	OPAL_SYSTEMP_INT	= 0x0002, /* System over internal temperature */
1042 	OPAL_SYSTEMP_HMD	= 0x0004, /* System over ambient humidity */
1043 };
1044 
1045 /* Cooling EPOW */
1046 enum OpalSysCooling {
1047 	OPAL_SYSCOOL_INSF	= 0x0001, /* System insufficient cooling */
1048 };
1049 
1050 /* Argument to OPAL_CEC_REBOOT2() */
1051 enum {
1052 	OPAL_REBOOT_NORMAL		= 0,
1053 	OPAL_REBOOT_PLATFORM_ERROR	= 1,
1054 	OPAL_REBOOT_FULL_IPL		= 2,
1055 };
1056 
1057 /* Argument to OPAL_PCI_TCE_KILL */
1058 enum {
1059 	OPAL_PCI_TCE_KILL_PAGES,
1060 	OPAL_PCI_TCE_KILL_PE,
1061 	OPAL_PCI_TCE_KILL_ALL,
1062 };
1063 
1064 /* The xive operation mode indicates the active "API" and
1065  * corresponds to the "mode" parameter of the opal_xive_reset()
1066  * call
1067  */
1068 enum {
1069 	OPAL_XIVE_MODE_EMU	= 0,
1070 	OPAL_XIVE_MODE_EXPL	= 1,
1071 };
1072 
1073 /* Flags for OPAL_XIVE_GET_IRQ_INFO */
1074 enum {
1075 	OPAL_XIVE_IRQ_TRIGGER_PAGE	= 0x00000001,
1076 	OPAL_XIVE_IRQ_STORE_EOI		= 0x00000002,
1077 	OPAL_XIVE_IRQ_LSI		= 0x00000004,
1078 	OPAL_XIVE_IRQ_SHIFT_BUG		= 0x00000008,
1079 	OPAL_XIVE_IRQ_MASK_VIA_FW	= 0x00000010,
1080 	OPAL_XIVE_IRQ_EOI_VIA_FW	= 0x00000020,
1081 };
1082 
1083 /* Flags for OPAL_XIVE_GET/SET_QUEUE_INFO */
1084 enum {
1085 	OPAL_XIVE_EQ_ENABLED		= 0x00000001,
1086 	OPAL_XIVE_EQ_ALWAYS_NOTIFY	= 0x00000002,
1087 	OPAL_XIVE_EQ_ESCALATE		= 0x00000004,
1088 };
1089 
1090 /* Flags for OPAL_XIVE_GET/SET_VP_INFO */
1091 enum {
1092 	OPAL_XIVE_VP_ENABLED		= 0x00000001,
1093 	OPAL_XIVE_VP_SINGLE_ESCALATION	= 0x00000002,
1094 };
1095 
1096 /* "Any chip" replacement for chip ID for allocation functions */
1097 enum {
1098 	OPAL_XIVE_ANY_CHIP		= 0xffffffff,
1099 };
1100 
1101 /* Xive sync options */
1102 enum {
1103 	/* This bits are cumulative, arg is a girq */
1104 	XIVE_SYNC_EAS			= 0x00000001, /* Sync irq source */
1105 	XIVE_SYNC_QUEUE			= 0x00000002, /* Sync irq target */
1106 };
1107 
1108 /* Dump options */
1109 enum {
1110 	XIVE_DUMP_TM_HYP	= 0,
1111 	XIVE_DUMP_TM_POOL	= 1,
1112 	XIVE_DUMP_TM_OS		= 2,
1113 	XIVE_DUMP_TM_USER	= 3,
1114 	XIVE_DUMP_VP		= 4,
1115 	XIVE_DUMP_EMU_STATE	= 5,
1116 };
1117 
1118 /* "type" argument options for OPAL_IMC_COUNTERS_* calls */
1119 enum {
1120 	OPAL_IMC_COUNTERS_NEST = 1,
1121 	OPAL_IMC_COUNTERS_CORE = 2,
1122 };
1123 
1124 
1125 /* PCI p2p descriptor */
1126 #define OPAL_PCI_P2P_ENABLE		0x1
1127 #define OPAL_PCI_P2P_LOAD		0x2
1128 #define OPAL_PCI_P2P_STORE		0x4
1129 
1130 #endif /* __ASSEMBLY__ */
1131 
1132 #endif /* __OPAL_API_H */
1133